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71; 95% CI 0 98–2 99; P = 0 06) are associated with major bleedin

71; 95% CI 0.98–2.99; P = 0.06) are associated with major bleeding episodes.[11] From the above evidence (Table 6),[10, 11, 21, 45, 46] we conclude that there is a significant bleeding risk associated with warfarin use in ESRD population, especially in combination

to prevent clotting of dialysis membrane. As INR of 2–3 alone would not prevent fibrin deposition in dialysis membrane, additional heparin was necessary during HD.[41] It is our impression that a reasonable proportion LDK378 datasheet of admitted HD patients receive heparin for both deep vein thrombosis (DVT) prophylaxis and during dialysis. This combination may significantly increase bleeding risk of chronic HD patients but has not been quantified. Therefore, an audit of current DVT prophylaxis practices and use of heparin in HD patients may be warranted. Bleeding assessment tools such as HEMOR2RHAGES (variables: Hepatic or renal disease, Ethanol abuse, Malignancy, Older age (>75

years), Re-bleeding, Reduced platelet count or function, uncontrolled Hypertension, Anaemia, Genetic factors, Excessive fall risk and Stroke)[48] and HAS-BLED (variables: Hypertension, Staurosporine Abnormal renal/liver function, Stroke, Bleeding history or predisposition, Labile international normalization ratio, Elderly (>65 years), Drugs/alcohol concomitantly) have been developed to determine major bleeding risk in general population with AF.[49, 50] However, these scores need to be validated further in haemodialysis population. Recently, Olesen et al. used HAS-BLED score in risk–benefit assessment process in HD patients with AF.[11] Although these scores are far from perfect, they can be useful in everyday clinical practice, when making clinical decisions regarding warfarin therapy, after further evaluation in haemodialysis patients. Risk–benefit assessment with respect to anticoagulation therapy for stroke prophylaxis is crucially dependent on the magnitude of mortality and stroke risk, as well as the safety and effectiveness of anticoagulation therapy.